Take Angelina Jolie, for example: Did you know the sought-after actress has just 27 Facebook friends, and they're almost all A-listers? Talk about a meticulously curated list:

Then there are the surprising affiliations. Will Smith, for example, is a member of the Facebook page "Jesus Daily," which posts bible quotes from Jesus each morning, even though the actor has made repeated donations to groups affiliated with the Church of Scientology; echoes the cult's "spiritual physics" rhetoric; has set up a middle school staffed with Scientologists; and has said Scientology is filled "brilliant and revolutionary" ideas. Smith was raised Baptist and has insisted he takes ideas from multiple religions. A look at his page (click to enlarge):

And you can send direct Facebook messages to a surprising number of celebrities, right from the "Send message" command in the upper left corner of their profiles, though it's not clear to what extent, if any, this has been affected by the new privacy framework, since some celebrities, like Tobey Maguire, still have messaging turned off. Some who have it enabled: